[INFO] cloning repository https://github.com/raeisimv/search-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raeisimv/search-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraeisimv%2Fsearch-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraeisimv%2Fsearch-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f26b26f621141e77b596e8c7fc823888c9c1feae
[INFO] checking raeisimv/search-engine against try#8c500c7cefd54fd11d57295f3771d576be9ee415 for pr-145113
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraeisimv%2Fsearch-engine" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/raeisimv/search-engine
[INFO] finished tweaking git repo https://github.com/raeisimv/search-engine
[INFO] tweaked toml for git repo https://github.com/raeisimv/search-engine written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/raeisimv/search-engine on toolchain 8c500c7cefd54fd11d57295f3771d576be9ee415
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/raeisimv/search-engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d06efea6da92639d0997a3ecbedd7d9391fabb69994c774ecc261f2f51f10585
[INFO] running `Command { std: "docker" "start" "-a" "d06efea6da92639d0997a3ecbedd7d9391fabb69994c774ecc261f2f51f10585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d06efea6da92639d0997a3ecbedd7d9391fabb69994c774ecc261f2f51f10585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06efea6da92639d0997a3ecbedd7d9391fabb69994c774ecc261f2f51f10585", kill_on_drop: false }`
[INFO] [stdout] d06efea6da92639d0997a3ecbedd7d9391fabb69994c774ecc261f2f51f10585
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05b051c296c998f6681ebb98daef0fd972b9d4a385d193bb2d8d93bc91076727
[INFO] running `Command { std: "docker" "start" "-a" "05b051c296c998f6681ebb98daef0fd972b9d4a385d193bb2d8d93bc91076727", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking futures-lite v2.6.0
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking event-listener v5.4.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking async-fs v2.1.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking polyval v0.6.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking ghash v0.5.1
[INFO] [stderr]     Checking aes-gcm v0.10.3
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking search-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io::*`
[INFO] [stdout]   --> src/fs/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use io::*;
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::*`
[INFO] [stdout]   --> src/fs/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use io::*;
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]  --> src/document.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Value {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Document` is never constructed
[INFO] [stdout]   --> src/document.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Document {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `attribute` are never used
[INFO] [stdout]   --> src/document.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Document {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new(id: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn attribute(&mut self, key: impl Into<String>, value: impl Into<Value>) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write` is never used
[INFO] [stdout]  --> src/fs/real_fs.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub async fn write(path: &std::path::PathBuf, buf: &[u8]) -> MyResult {
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/fs/real_fs.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub async fn read(path: &std::path::PathBuf) -> MyResult<Vec<u8>> {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete` is never used
[INFO] [stdout]   --> src/fs/real_fs.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub async fn delete(path: &std::path::PathBuf) -> MyResult {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Directory` is never constructed
[INFO] [stdout]  --> src/fs/dir.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Directory {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `make_clear_file`, `make_encrypted_file`, `create`, `delete`, and `get_files` are never used
[INFO] [stdout]   --> src/fs/dir.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Directory {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 13 |     pub fn make_clear_file(&self, relative: impl AsRef<Path>) -> ClearFile {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn make_encrypted_file(&self, relative: impl AsRef<Path>) -> EncryptFile {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub async fn create(&self) -> MyResult {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub async fn delete(&self) -> MyResult {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub async fn get_files(&self) -> MyResult<Vec<PathBuf>> {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `File` is never used
[INFO] [stdout]  --> src/fs/io.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait File {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClearFile` is never constructed
[INFO] [stdout]   --> src/fs/io.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ClearFile {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/fs/io.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl ClearFile {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn new(path: std::path::PathBuf) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EncryptFile` is never constructed
[INFO] [stdout]   --> src/fs/io.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct EncryptFile {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/fs/io.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl EncryptFile {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 52 |     pub fn new(path: std::path::PathBuf, cipher: Cipher) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `EntryIndex` is never used
[INFO] [stdout]  --> src/index.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type EntryIndex = u32;
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `AttributeIndex` is never used
[INFO] [stdout]  --> src/index.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type AttributeIndex = u8;
[INFO] [stdout]   |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ShardingValue` is never used
[INFO] [stdout]  --> src/index.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type ShardingValue = u64;
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `DocumentIdentifier` is never used
[INFO] [stdout]   --> src/index.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type DocumentIdentifier = Arc<str>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Entry` is never constructed
[INFO] [stdout]   --> src/index.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Entry {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Attribute` is never constructed
[INFO] [stdout]   --> src/index.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Attribute {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PersistedCollection` is never constructed
[INFO] [stdout]   --> src/index.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct PersistedCollection {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Collection` is never constructed
[INFO] [stdout]   --> src/index.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Collection {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ValueIndex` is never used
[INFO] [stdout]   --> src/index.rs:52:6
[INFO] [stdout]    |
[INFO] [stdout] 52 | type ValueIndex = u8;
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BooleanIndex` is never constructed
[INFO] [stdout]   --> src/index.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct BooleanIndex {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert`, and `delete` are never used
[INFO] [stdout]   --> src/index.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl BooleanIndex {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 57 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn insert(
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn delete(&mut self, entry_index: EntryIndex) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IsEmpty` is never used
[INFO] [stdout]   --> src/index.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub trait IsEmpty {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `WithMut` is never used
[INFO] [stdout]   --> src/index.rs:95:11
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub trait WithMut<K, V> {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SchemaError` is never used
[INFO] [stdout]  --> src/schema.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum SchemaError {
[INFO] [stdout]   |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Kind` is never used
[INFO] [stdout]   --> src/schema.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Kind {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Schema` is never constructed
[INFO] [stdout]   --> src/schema.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Schema {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `builder` is never used
[INFO] [stdout]   --> src/schema.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Schema {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 22 |     pub fn builder() -> SchemaBuilder {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SchemaBuilder` is never constructed
[INFO] [stdout]   --> src/schema.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct SchemaBuilder {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `shard_by`, `attribute`, and `build` are never used
[INFO] [stdout]   --> src/schema.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl SchemaBuilder {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 33 |     pub fn shard_by<S: Into<String>>(mut self, shard_by: S) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn attribute<S: Into<String>>(mut self, name: S, kind: Kind) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn build(mut self) -> MyResult<Schema, SchemaError> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]  --> src/document.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Value {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Document` is never constructed
[INFO] [stdout]   --> src/document.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Document {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `attribute` are never used
[INFO] [stdout]   --> src/document.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Document {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new(id: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn attribute(&mut self, key: impl Into<String>, value: impl Into<Value>) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write` is never used
[INFO] [stdout]  --> src/fs/real_fs.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub async fn write(path: &std::path::PathBuf, buf: &[u8]) -> MyResult {
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/fs/real_fs.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub async fn read(path: &std::path::PathBuf) -> MyResult<Vec<u8>> {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete` is never used
[INFO] [stdout]   --> src/fs/real_fs.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub async fn delete(path: &std::path::PathBuf) -> MyResult {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Directory` is never constructed
[INFO] [stdout]  --> src/fs/dir.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Directory {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `make_clear_file`, `make_encrypted_file`, `create`, `delete`, and `get_files` are never used
[INFO] [stdout]   --> src/fs/dir.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Directory {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 13 |     pub fn make_clear_file(&self, relative: impl AsRef<Path>) -> ClearFile {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn make_encrypted_file(&self, relative: impl AsRef<Path>) -> EncryptFile {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub async fn create(&self) -> MyResult {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub async fn delete(&self) -> MyResult {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub async fn get_files(&self) -> MyResult<Vec<PathBuf>> {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `File` is never used
[INFO] [stdout]  --> src/fs/io.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait File {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClearFile` is never constructed
[INFO] [stdout]   --> src/fs/io.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ClearFile {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/fs/io.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl ClearFile {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn new(path: std::path::PathBuf) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EncryptFile` is never constructed
[INFO] [stdout]   --> src/fs/io.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct EncryptFile {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/fs/io.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl EncryptFile {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 52 |     pub fn new(path: std::path::PathBuf, cipher: Cipher) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `EntryIndex` is never used
[INFO] [stdout]  --> src/index.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type EntryIndex = u32;
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `AttributeIndex` is never used
[INFO] [stdout]  --> src/index.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type AttributeIndex = u8;
[INFO] [stdout]   |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ShardingValue` is never used
[INFO] [stdout]  --> src/index.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type ShardingValue = u64;
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `DocumentIdentifier` is never used
[INFO] [stdout]   --> src/index.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type DocumentIdentifier = Arc<str>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Entry` is never constructed
[INFO] [stdout]   --> src/index.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Entry {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Attribute` is never constructed
[INFO] [stdout]   --> src/index.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Attribute {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PersistedCollection` is never constructed
[INFO] [stdout]   --> src/index.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct PersistedCollection {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Collection` is never constructed
[INFO] [stdout]   --> src/index.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Collection {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ValueIndex` is never used
[INFO] [stdout]   --> src/index.rs:52:6
[INFO] [stdout]    |
[INFO] [stdout] 52 | type ValueIndex = u8;
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BooleanIndex` is never constructed
[INFO] [stdout]   --> src/index.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct BooleanIndex {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert`, and `delete` are never used
[INFO] [stdout]   --> src/index.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl BooleanIndex {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 57 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn insert(
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn delete(&mut self, entry_index: EntryIndex) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IsEmpty` is never used
[INFO] [stdout]   --> src/index.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub trait IsEmpty {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `WithMut` is never used
[INFO] [stdout]   --> src/index.rs:95:11
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub trait WithMut<K, V> {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BOOLEAN` is never constructed
[INFO] [stdout]   --> src/schema.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Kind {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] 11 |     BOOLEAN,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Kind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `attributes` and `shard_by` are never read
[INFO] [stdout]   --> src/schema.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Schema {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 18 |     pub attributes: HashMap<String, Kind>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 19 |     pub shard_by: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "05b051c296c998f6681ebb98daef0fd972b9d4a385d193bb2d8d93bc91076727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05b051c296c998f6681ebb98daef0fd972b9d4a385d193bb2d8d93bc91076727", kill_on_drop: false }`
[INFO] [stdout] 05b051c296c998f6681ebb98daef0fd972b9d4a385d193bb2d8d93bc91076727